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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 19, 2012. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1548 | N20 | E77 | 08 | 0120 | Beta | Aug 26, 2012 | Sep 2, 2012 | Sep 15, 2012 |
| № 1547 | N06 | E10 | 02 | 0010 | Beta | Aug 21, 2012 | Aug 27, 2012 | Sep 10, 2012 |
| № 1546 | N16 | E45 | 01 | 0050 | Alpha | Aug 23, 2012 | Aug 30, 2012 | Sep 13, 2012 |
| № 1543 | N23 | W73 | 03 | 0300 | Alpha | Aug 14, 2012 | Aug 21, 2012 | Sep 4, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.
